> For the complete documentation index, see [llms.txt](https://rs0-5.gitbook.io/righttech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rs0-5.gitbook.io/righttech/outside-of-mainnet.md).

# Outside of mainnet

- [ARK: A Bitcoin Layer-2 Protocol](https://rs0-5.gitbook.io/righttech/outside-of-mainnet/ark-a-bitcoin-layer-2-protocol.md)
- [Liquid Network บน Bitcoin](https://rs0-5.gitbook.io/righttech/outside-of-mainnet/liquid-network-bitcoin.md)
- [Lightning network คืออะไร](https://rs0-5.gitbook.io/righttech/outside-of-mainnet/lightning-network.md)